Flights from Denver, CO to Chicago, IL

Promo Code

Best Deals on Flights From Denver, CO (DEN) to Chicago, IL (ORD)

Sep 2026
from$163*
Last seen: 2 hours ago
One-way/Economy
Oct 2026
from$49*
Last seen: 5 hours ago
One-way/Economy
Nov 2026
from$49*
Last seen: 9 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $49
cmp-daily-histogram-bars-legend-max-price-aria-label $193
Displaying fares for September-2026
  • DEN–ORD: cmp-view-offers-disclaimer. Find Offers
    16

    Wed

    SEP

  • DEN–ORD: cmp-view-offers-disclaimer. Find Offers
    17

    Thu

  • DEN–ORD, Sep 18, 2026: from $171
    18

    Fri

  • DEN–ORD, Sep 19, 2026: from $168
    19

    Sat

  • DEN–ORD, Sep 20, 2026: from $171
    20

    Sun

  • DEN–ORD, Sep 21, 2026: from $171
    21

    Mon

  • DEN–ORD, Sep 22, 2026: from $183
    22

    Tue

  • DEN–ORD, Sep 23, 2026: from $183
    23

    Wed

  • DEN–ORD, Sep 24, 2026: from $193
    24

    Thu

  • DEN–ORD, Sep 25, 2026: from $193
    25

    Fri

  • DEN–ORD, Sep 26, 2026: from $183
    26

    Sat

  • DEN–ORD, Sep 27, 2026: from $193
    27

    Sun

  • DEN–ORD, Sep 28, 2026: from $193
    28

    Mon

  • DEN–ORD, Sep 29, 2026: from $163
    29

    Tue

  • DEN–ORD, Sep 30, 2026: from $163
    30

    Wed

  • DEN–ORD, Oct 1, 2026: from $173
    01

    Thu

    OCT

  • DEN–ORD, Oct 2, 2026: from $173
    02

    Fri

  • DEN–ORD, Oct 3, 2026: from $163
    03

    Sat

  • DEN–ORD, Oct 4, 2026: from $173
    04

    Sun

  • DEN–ORD, Oct 5, 2026: from $62
    05

    Mon

  • DEN–ORD, Oct 6, 2026: from $49
    06

    Tue

  • DEN–ORD, Oct 7, 2026: from $84
    07

    Wed

  • DEN–ORD, Oct 8, 2026: from $100
    08

    Thu

  • DEN–ORD, Oct 9, 2026: from $125
    09

    Fri

  • DEN–ORD, Oct 10, 2026: from $49
    10

    Sat

  • DEN–ORD, Oct 11, 2026: from $142
    11

    Sun

  • DEN–ORD, Oct 12, 2026: from $62
    12

    Mon

  • DEN–ORD, Oct 13, 2026: from $49
    13

    Tue

  • DEN–ORD, Oct 14, 2026: from $49
    14

    Wed

  • DEN–ORD, Oct 15, 2026: from $62
    15

    Thu

    • Range$49-$193

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Denver, CO to Chicago, IL on Frontier

    $
    Flights Deals from Denver, CO to Chicago, IL on Frontier
    From
    To
    Denver, CO (DEN)Chicago, IL (ORD)One-way
    /
    Discount Den Basic Fare    		Departing Dec 15, 2026

    From

    $84

    Last seen: 12 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Denver, CO Chicago, IL

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